definition of glands
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Definition of 'gland' gland2 in American English (glænd ; gland) gland in Mechanical Engineering (glænd) A gland is a device that stops a fluid leaking along a rotating shaft or reciprocating rod passing through a boundary between areas of high and low pressure. The gland in the head of the faucet prevents water from leaking up the shaft when the faucet is turned on.
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Difference between Gland and Organ? A gland is an organ in an animal's body that synthesizes a substance such as hormones for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).lands are organs that synthesizes a substance such as hormones for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).
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- A hormone (from the Greek participle “ ὁρμῶ ”, to set in motion, urge on) is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.
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- Exocrine gland: A gland that secretes a substance out through a duct. The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract. The exocrine glands are the glands of external secretion..
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- What are endocrine glands? Endocrine glands are glands of the endocrine system that secrete  their products, hormones, directly into the blood rather than  through a duct. The endocrine system contain…s glands that release  certain hormones for growth/body functions/body reactions. It  consists of eight major parts:   pituitary gland  pineal gland  thyroid gland  parathyroid gland  adrenal gland  pancreas  ovary  testis   .
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Medical Definition of Adrenal gland Medical Definition of Adrenal gland. Adrenal gland: A small gland located on top of the kidney. The adrenal glands produce hormones that help control heart rate, blood pressure, the way the body uses food, the levels of minerals such as sodium and potassium in the blood, and other functions particularly involved in stress reactions. Search MedTerms:
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- Hormone. A chemical messenger produced by a particular gland or cells of the endocrine system. Hormones are transported throughout the body in the blood stream but they produce a response only in specific target cells.
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Gland A gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland
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Medical Definition of Hormone Hormone: A chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Many hormones are secreted by special glands, such as thyroid hormone produced by the thyroid gland. Hormones are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control. Many hormones, such as neurotransmitters, are active in more than one physical process.
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gland The definition of a gland is an organ or group of cells that releases substances or waste from the body. An example of a gland is the thyroid. any organ or specialized group of cells that produces secretions, as insulin or bile, or excretions, as urine: some glands, as the liver and kidneys, have ducts that empty into an organ: the ductless (or endocrine) glands, as the thyroid and adrenals, secrete hormones.
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Medical Definition of Hormone Hormone: A chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Many hormones are secreted by special glands, such as thyroid hormone produced by the thyroid gland.Hormones are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control.Many hormones, such as neurotransmitters, are active in more than one physical process.ormones are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control. Many hormones, such as neurotransmitters, are active in more than one physical process.
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hormone A substance produced in one part of the body, especially in an endocrine gland, that has an effect on another part of the body, to which it is usually carried in the bloodstream. Hormones regulate many biological processes, including growth and metabolism.
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AP Psychology Chapter 2 Adrenal Glands. Definition: A pair of endocrine glands just above the kidneys. The adrenals secrete the hormones epinephrine (adrenaline) and norepinephrine (noradrenaline), which help to arouse the body in times of stress. Example: Increase blood pressure, heart rate and blood sugar.
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salivary gland n. A gland that secretes saliva, especially any of three pairs of glands, the parotid, submaxillary, and sublingual, that discharge secretions into the oral cavity of humans and most other mammals.aliva, spittle, spit-a clear liquid secreted into the mouth by the salivary glands and mucous glands of the mouth; moistens the mouth and starts the digestion of starches. parotid gland-a large salivary gland that produces 50% of daytime saliva; in human beings it is located in front of and below each ear.
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Library Guatemala reach around one third of the GDP in comparison to Argentina, Brazil, and Chile. The most important products are Coffee, bananas, and sugar. By far largest sector in Guatemala is private sector and generates about 85% of GDP. The difference between reach and poor remains high.The wealthiest 10% of the population receives almost 1/2 of all income and the top 20% receives 2/3 of all income. Around 29% of the population lives in poverty. 6% of that live in extreme poverty. Guatemala
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- B. Exocrine gland = a gland that secretes substances into ducts which then leave the body (i.e. sweat/sebaceous glands) or into an internal space or lumen (i.e. digestive glands). Exocrine glands are not part of the endocrine system!
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hormone Learner's definition of HORMONE. [count] : a natural substance that is produced in the body and that influences the way the body grows or develops. sex hormones. a hormone deficiency.
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gland an organ producing substances which are then secreted to the outside of the gland, sometimes by means of a duct, as in the exocrine glands, for example, the salivary mammary, lachrymal glands, but also in the case of ENDOCRINE GLANDS directly into the blood or lymphatic systems.
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- : a glandular structure of largely lymphoid tissue that functions especially in the development of the body's immune system, is present in the young of most vertebrates typically in the upper anterior chest or at the base of the neck, and tends to atrophy in the adult. See thymus defined for kids. ADVERTISEMENT.
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Cystic Fibrosis  (CF) Exocrine Glands. An organ that makes one or more substances, such as sweat, tears, saliva, or milk. Exocrine glands release the substances into a duct or opening to the inside or outside of the body.NIH-National Cancer Institute.xocrine glands release the substances into a duct or opening to the inside or outside of the body.
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gland Also found in: Dictionary, Thesaurus, Medical, Wikipedia. Related to sudoriferous gland: eccrine gland, sweat duct, sebaceous gland. organ that manufactures chemical substances. A gland may vary from a single cell to a complex system of tubes that unite and open onto a surface through a duct. , body control system composed of a group of glands that maintain a stable internal environment by producing chemical regulatory substances called hormones. ..... Click the link for more information.
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Medical Definition of Adrenal gland Adrenal gland: A small gland located on top of the kidney. The adrenal glands produce hormones that help control heart rate, blood pressure, the way the body uses food, the levels of minerals such as sodium and potassium in the blood, and other functions particularly involved in stress reactions.
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gland eccrine gland , eccrine sweat gland one of the ordinary, or simple, sweat glands, which is of the merocrine type. endocrine glands organs whose secretions (hormones) are released directly into the circulatory system; they include the pituitary, thyroid, parathyroid, and adrenal glands, the pineal body, and the gonads.
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Translations for salivary gland Freebase (0.00 / 0 votes) Rate this definition: Salivary gland. The salivary glands in mammals are exocrine glands, glands with ducts, that produce saliva. They also secrete amylase, an enzyme that breaks down starch into maltose.
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What is the largest gland in the human body? A gland is defined as any group of cells that manufactures and releases substances for use som … ewhere else in the body. The liver not only makes and secretes substances, but it has over 5,000 functions that have been identified, including immune protection, waste removal, metabolism and energy storage.
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- Definition of hormone. 1  1 : a product of living cells that circulates in body fluids (such as blood) or sap and produces a specific often stimulatory effect on the activity of cells usually remote from its point of origin; also : a synthetic substance that acts like a hormone. 2  2 : sex hormone.